CN208469773U - A kind of electromechanical braking system brake pedal apparatus - Google Patents
A kind of electromechanical braking system brake pedal apparatus Download PDFInfo
- Publication number
- CN208469773U CN208469773U CN201820885474.2U CN201820885474U CN208469773U CN 208469773 U CN208469773 U CN 208469773U CN 201820885474 U CN201820885474 U CN 201820885474U CN 208469773 U CN208469773 U CN 208469773U
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- China
- Prior art keywords
- brake pedal
- support
- cylindrical cam
- push rod
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of electromechanical braking system brake pedal apparatus, including support, cylindrical cam, push rod, pedal force simulates spring, brake pedal, angular displacement sensor, the pedal force simulation spring is mounted on the support by the first spring base and second spring seat, the cylindrical cam is mounted on the support by camshaft bearing, the push rod is mounted on the support by push rod bearing, the brake pedal is mounted on one end of cylindrical cam by spline, the angular displacement sensor is mounted on the other end of cylindrical cam, described return spring one end is mounted on brake pedal, the other end is fixed on body of a motor car by return spring seat, the cylindrical cam surface is equipped with cylindrical cam groove, the push rod is T-shaped, cooperate with cylindrical cam groove.The utility model can be such that driver passes through, and brake pedal feel is real-time, accurately obtains automobile brake situation.Meanwhile structure is simple, mounting and adjusting is convenient.
Description
Technical field
The utility model belongs to the braking system technical field under automobile engineering, particularly belongs to line control brake system, is related to
A kind of brake pedal force feedback technique for electromechanical braking system.
Background technique
Wire control technology is vehicle intellectualized and unpiloted four big core technology (accurate positioning, path planning, environment sense
One of know, line traffic control executes), line control brake system is an important component of automobile line control system.Line control brake system mesh
Before be divided into electronic hydraulic brake system (EHB) and electromechanical braking system (EMB), electromechanical braking system is using electric energy as energy
Source is measured, operator brake is intended to generate electric signal by brake pedal unit, brake system controller is passed to through data line,
Controller issues instruction, makes motor driven brake actuator, implements to brake to vehicle.Without connection brake pipe in whole system
Road, structure is simple, small in size, and signal is quick on the draw by electric transmission, reduces braking distance, and the operation is stable, maintenance is simple, does not have
There is hydraulic oil pipeline, hydraulic oil leakage problem is not present.It is directly controlled by ECU, it is easy to accomplish the function such as ABS, TCS, ESP, ACC
Can, it is the direction of braking system development.
There is no fluid pressure line between the brake pedal unit and wheel drag of electromechanical braking system, so that vehicle
Braking conditions can not feed back to driver by fluid pressure line generated reaction force, but driver must have this again in braking process
Kind brake pedal feel, has appreciated that braking conditions, so a kind of device is needed to be used to real-time simulating brake situation, obtains driver
To accurate braking information.A kind of electromechanical braking system involved in the utility model has been sought to brake pedal apparatus
At this function.
Currently, one is electro-hydraulic coupled simulation device is used, which includes hydraulic there are mainly two types of this device with pedal
The components such as pump, accumulator, hydraulic cylinder, solenoid valve, control unit, the situation of control unit base area wheat flour power control accumulation of energy
Device flows into the oil mass of hydraulic cylinder by solenoid valve, and then controls oil liquid pressure, and it is anti-that which connected the piston in hydraulic cylinder
It feeds brake pedal, results from the corresponding brake pedal feel of brake force.Another kind is using complex spring device, this is compound
Spring is mounted below brake pedal, when driver's brake pedal, can generate a nonlinear feedback force.Above two
Kind device respectively has disadvantage, and structure is complicated for former, component is more, when existing simultaneously hydraulic feedback lag and continuous pedal, by
In the throttling action of electromagnetism valve opening, make to feed back the disadvantages of insensitive.Although latter device structure is simple, which cannot be quasi-
True regenerative braking power situation.The utility model is intended to overcome disadvantage mentioned above, using a kind of completely new structure, fills up current electronics
The blank of mechanical braking system brake pedal simulator.
Utility model content
For current technical deficiency, the purpose of this utility model is to provide a kind of brake pedal force simulator,
Passing through driver, brake pedal feel is real-time, accurately obtains automobile brake situation.Meanwhile structure is simple, mounting and adjusting side
Just.
The application the technical solution adopted is that: a kind of line control brake system brake pedal simulator, including support, cylinder are convex
Wheel, pedal force simulation spring, brake pedal, angular displacement sensor, adjusts bolt at push rod, and the pedal force simulation spring passes through
First spring base and second spring seat are mounted on the support, and the cylindrical cam is mounted on the support by camshaft bearing
On, the push rod is mounted on the support by push rod bearing, and the brake pedal is mounted on cylindrical cam by spline
One end, the angular displacement sensor are mounted on the other end of cylindrical cam, and described return spring one end is mounted on brake pedal,
The other end is fixed on body of a motor car by return spring seat, and the cylindrical cam surface is equipped with cylindrical cam groove, the push rod
It is T-shaped, cooperate with cylindrical cam groove, the adjusting bolt is mounted on the support, and the end for adjusting bolt is withstood on
On the second spring seat.The adjusting bolt is used to pre-tighten pedal force simulation spring, or after spring base has abrasion
Adjusting.
Further, have on the support and adjust bolt fixing seat, be used for installation and adjustment bolt.
Further, the support is equipped with fixed plate, can be fixed to by bolt on the corresponding position of vehicle body.
Further, there is push rod bearing fixed seat on the support, for installing push rod bearing.
Further, there is Cam bearing pedestal on the support, for installing camshaft bearing.
Further, there is sensor fixing seat on the support, for installing angular displacement sensor.
The utility model has the beneficial effects that
1. all components are respectively mounted on the support, compact-sized terse, convenient for pre-installing, and meanwhile it is easy to adjust；
2. feedback is without lag, real time reaction brake force situation；
3. accurate to the simulation of pedal feedback power；
4. being not required to hydraulic system, at low cost, good economy performance；
5. it is not in liquid leakage, it is pollution-free.
Detailed description of the invention
Fig. 1 is the utility model general structure schematic diagram；
Fig. 2 is the bearing structure illustration of the utility model；
Fig. 3 is the cam structure schematic diagram of the utility model；
Fig. 4 is the push rod general structure schematic diagram of the utility model；
Fig. 5 is the pedal force simulation curve figure of the utility model.
Description of symbols:
1. 5. push rod bearing of brake pedal 2. return spring, 3. return spring seat, 4. support, 6.1 first spring base
6.2 second spring seat, 7. pedal force simulates spring 8. and adjusts 9. angular displacement sensor of bolt, 10. camshaft bearing, 11. cylinder
14. push rod bearing block of cam 12. push rod, 13. Cam bearing pedestal, 15. fixed plate 16. adjusts bolt fixing seat 17. and senses
Device fixing seat.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that following
Illustrate not to be defined its content merely to explain the utility model.
Embodiment
A kind of electric mechanical braking device with pedal, structure is as shown in Fig. 1,3,4, including support 4, cylindrical cam 11, pushes away
Bar 12, brake pedal 1, adjusts bolt 8, angular displacement sensor 9 at pedal force simulation spring 7, and the pedal force simulation spring 7 is logical
It crosses the first spring base 6.1 and second spring seat 6.2 is mounted on the support 4, the cylindrical cam 11 passes through camshaft bearing 10
It is mounted on the support 4, the push rod 12 is mounted on the support 4 by push rod bearing 5, and the brake pedal 1 passes through
Spline is mounted on one end of cylindrical cam 11, and the angular displacement sensor 9 is mounted on the other end of cylindrical cam 11, the return
2 one end of spring is mounted on brake pedal 1, and the other end is fixed on body of a motor car by return spring seat 3, the cylindrical cam
11 surfaces are equipped with cylindrical cam groove, and the push rod 12 is T-shaped, cooperate with cylindrical cam groove, and the adjusting bolt 8 is mounted on described
On support 4, and the end for adjusting bolt 8 is withstood on the second spring seat 6.2.
Wherein, as shown in Fig. 2, shown support 4 has fixed plate 15, the corresponding position of vehicle body can be fixed to by bolt
On；There is push rod bearing block 14 on the support 4, for installing push rod bearing 5；There is Cam bearing pedestal 13 on the support 4, is used for
Camshaft bearing 10 is installed；Have on the support 4 and adjust bolt fixing seat 16, is used for installation and adjustment bolt 8；Have on the support 4
Sensor fixing seat 17, for installing angular displacement sensor 9.
Fig. 5 is pedal force simulation curve figure.The reflection of this curve is brake-pedal travel and braking in practical braking process
The relationship of pedal force, this relationship are fed back by hydraulic brake line.The utility model seeks to convex by cylinder
Wheel simulates the relation curve.
The working principle of the application are as follows:
1. driver's brake pedal overcomes return spring power, cylindrical cam rotation is driven；
2. cam rotation will drive push rod axial movement, axial internal clearance is determined by cam line style, cam line style and pedal
Power simulation curve figure is corresponding；
3. push rod moves axially, spring is simulated by spring base compression pedal power, spring rate is certain, but due to push rod
Axial internal clearance be it is nonlinear, then the counter spring force that is formed and pedal travel are not linear relationships, which can pass through
Spring base, push rod, cam feed back to brake pedal, form the pedal reaction force consistent with damped condition；
4. simultaneously, cylindrical cam and angular displacement sensor are coaxially connected, pedal corner information is passed by angular displacement sensor
Brake-by-wire actuator controller is given, is parsed by pedal, identifies driver intention, implements braking；
5. driver unclamps pedal, pedal return under the double action of return spring and pedal force simulation spring.
Claims (6)
1. a kind of electromechanical braking system brake pedal apparatus, which is characterized in that including support, cylindrical cam, push rod, step on
Plate power simulates spring, brake pedal, angular displacement sensor, adjusts bolt, return spring, and pedal force simulation spring passes through the
One spring base and second spring seat are mounted on the support, and the cylindrical cam is mounted on the support by camshaft bearing
On, the push rod is mounted on the support by push rod bearing, and the brake pedal is mounted on cylindrical cam by spline
One end, the angular displacement sensor are mounted on the other end of cylindrical cam, and described return spring one end is mounted on brake pedal,
The other end is fixed on body of a motor car by return spring seat, and the cylindrical cam surface is equipped with cylindrical cam groove, the push rod
It is T-shaped, cooperate with cylindrical cam groove, the adjusting bolt is mounted on the support, and the end for adjusting bolt is withstood on
On the second spring seat.
2. a kind of electromechanical braking system brake pedal apparatus as described in claim 1, which is characterized in that the support
On have adjust bolt fixing seat, be used for installation and adjustment bolt.
3. a kind of electromechanical braking system brake pedal apparatus as claimed in claim 2, which is characterized in that the support
It is equipped with fixed plate, can be fixed to by bolt on the corresponding position of vehicle body.
4. a kind of electromechanical braking system brake pedal apparatus as claimed in claim 3, which is characterized in that the support
On have push rod bearing fixed seat, for installing push rod bearing.
5. a kind of electromechanical braking system brake pedal apparatus as claimed in claim 4, which is characterized in that the support
On have Cam bearing pedestal, for installing camshaft bearing.
6. a kind of electromechanical braking system brake pedal apparatus as claimed in claim 5, which is characterized in that the support
On have sensor fixing seat, for installing angular displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885474.2U CN208469773U (en) | 2018-06-08 | 2018-06-08 | A kind of electromechanical braking system brake pedal apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885474.2U CN208469773U (en) | 2018-06-08 | 2018-06-08 | A kind of electromechanical braking system brake pedal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208469773U true CN208469773U (en) | 2019-02-05 |
Family
ID=65216858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885474.2U Expired - Fee Related CN208469773U (en) | 2018-06-08 | 2018-06-08 | A kind of electromechanical braking system brake pedal apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208469773U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528422A (en) * | 2018-06-08 | 2018-09-14 | 聊城大学 | A kind of electromechanical braking system brake pedal apparatus |
| CN109823321A (en) * | 2019-04-01 | 2019-05-31 | 合肥工业大学 | A kind of electronic brake pedal device and the automobile for assembling the electronic brake pedal device |
| CN112298138A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Brake pedal simulator, braking system and vehicle |
-
2018
- 2018-06-08 CN CN201820885474.2U patent/CN208469773U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528422A (en) * | 2018-06-08 | 2018-09-14 | 聊城大学 | A kind of electromechanical braking system brake pedal apparatus |
| CN108528422B (en) * | 2018-06-08 | 2023-10-27 | 聊城大学 | Brake pedal device for electromechanical brake system |
| CN109823321A (en) * | 2019-04-01 | 2019-05-31 | 合肥工业大学 | A kind of electronic brake pedal device and the automobile for assembling the electronic brake pedal device |
| CN109823321B (en) * | 2019-04-01 | 2020-02-14 | 合肥工业大学 | Electronic brake pedal device and automobile equipped with same |
| CN112298138A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Brake pedal simulator, braking system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20200608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |